| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.19 | -0.12 |
| Feb | 2.69 | 2.70 | -0.01 |
| Mar | 3.38 | 3.45 | -0.07 |
| Apr | 3.42 | 3.45 | -0.03 |
| May | 4.18 | 4.11 | 0.07 |
| Jun | 4.30 | 4.39 | -0.09 |
| Jul | 4.05 | 4.07 | -0.02 |
| Aug | 3.69 | 3.66 | 0.03 |
| Sep | 3.39 | 3.40 | -0.01 |
| Oct | 2.96 | 2.99 | -0.03 |
| Nov | 2.84 | 3.00 | -0.16 |
| Dec | 3.09 | 3.25 | -0.16 |
41.06 | 41.66 | -0.60 |